CVE-2025-21621 json
GeoServer Reflected Cross-Site Scripting (XSS) vulnerability in WMS GetFeatureInfo HTML format
published 11mo ago modified 22d ago also EUVD-2025-199607 , GHSA-w66h-j855-qr72
- cvss
- 6.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 24%
- public exploits
- 0
- none known
Summary
GeoServer is an open source server that allows users to share and edit geospatial data. Prior to version 2.25.0, a reflected cross-site scripting (XSS) vulnerability exists in the WMS GetFeatureInfo HTML output format that enables a remote attacker to execute arbitrary JavaScript code in a victim's browser through specially crafted SLD_BODY parameters. This issue has been patched in version 2.25.0.
Patch / fix
- maven org.geoserver.web:gs-web-app 2.25.0
- maven org.geoserver:gs-wms 2.25.0
- geoserver geoserver 2.25.0
- org.geoserver.web web-app 2.25.0
- osgeo geoserver 2.25.0
- github.com/geoserver/geoserver@dc9ff1c commit
- github.com/geoserver/geoserver#7406 pull request
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 11mo ago
Exploit prediction
0.32% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| GitHub | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.geoserver.web:gs-web-app | <2.25.0 |
2.25.0 |
| maven | org.geoserver:gs-wms | <2.25.0 |
2.25.0 |
Affected products
- geoserver geoserver
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/geoserver/geoserver/pull/7406
web, issue-tracking
-
github.com
/geoserver/geoserver/commit/dc9ff1c726dd73c884437a123b4ad72b19383c7d
web, patch
-
github.com
/geoserver/geoserver/security/advisories/GHSA-w66h-j855-qr72
web, vendor-advisory
-
osgeo-org.atlassian.net
/browse/GEOS-11297
web, issue-tracking
-
nvd.nist.gov
/vuln/detail/CVE-2025-21621
advisory
-
github.com
/geoserver/geoserver
package
-
osgeo-org.atlassian.net
/browse/GEOS-11203
web
Sources
- CVE List CVE-2025-21621
- GitHub Advisory GHSA-w66h-j855-qr72
- NVD CVE-2025-21621
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.